Home / 81,994,786.90-113,154,150.24-48,957,922.98

Finding the Fourth Proportional to 81,994,786.90, 113,154,150.24 and 48,957,922.98

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Solution

The fourth proportional to 81,994,786.90, 113,154,150.24 and 48,957,922.98 is: 67,562,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,994,786.90 : 113,154,150.24 = 48,957,922.98 : x
  2. Step 2: Convert to fraction form
    81,994,786.90/113,154,150.24 = 48,957,922.98/x
  3. Step 3: Cross multiply
    81,994,786.90x = 113,154,150.24 × 48,957,922.98
  4. Step 4: Simplify right side
    81,994,786.90x = 5,539,792,172,317,268
  5. Step 5: Solve for x
    x = 5,539,792,172,317,268/81,994,786.90
  6. Step 6: Final answer
    x = 67,562,736.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.